Mold and means for making the same.



E. A. UONNER.

MOLD AND MEANS FOR MAKING THE SAME.

- APPLICATION FILED DEC. 24, 1907. 915,555.

Patented Mar. 16, 1909.

2 SHEETSSHEET 1.

WITNESSES R ATTORNEYS E. A. OONNER. MOLD AND MEANS FOR MAKING THE SAME.

APPLIOATION FILED 13110.24, 1.907.

Patented Mar. 16, 1909.

BET

2 SHEETS-SE A TTOHNE rs ERNEST ARTHUR CONNER, OF TACOMA, WASHINGTON.

I MOLD AND MEANS FOR MAKING THE SAME.

Specifieation'iof Letters Patent.

Patented March 1 6,. 1909 Application filed December 24:, 1907. Serial No. 407,876.

To all whom it may concern:

Be it known that I, ERNEST Airmen Con NEE, acitizen of the United States, anda resident of Tacoma, in the county of'Pierce no. r and Improved M old and Means for Male ing the Same, of which the following is a full, clear, and exact description. I

The object of the invention secured one to the other, the parts of. the

mold being; readily removable after the column is built. H

The invention consists of novel features and parts and-combinations of the} same, which will be more fully described hereinafter and then pointed out in the claims.

A practical embodiment of the invention is rerncsented in the accompanying drawings forming a part of this specification, in which similar characters of reference indicate corresponding parts in. all the views.

Figure 1 is a side elevation of the improvement-,parts being broken out; Fig. 2 is an enlarged transverse section of the same on theline 22 of'Fig. 1 Fig. 3 is an enlarged edge view of one of the blocks for the binding bands or rods; Fig. 4 is a front end elevation of the same, part being" broken out; Fig. 5 is v a. perspective View of the finished mold set up for receiving the concrete; Fig. 6 is a perspective View of one'of the cradles; and Fig. 7 is a similar view of one of the internal braces.

The mold for making concrete columns is built up of a plurality of planks A, A, A, A, A, A A and A preferably set up in polygonal form to provide a concrete column of polygonal shape in cross section. \l'ed ges B are placedin position in the joints between adjacent mold planks, as plainly indicated in the drawings, and the saidmold planks and their wedges are securely bound in place by binding bands or rods C encircling the mold planks and wedges, asshovvn in Figs. l, 2 and 5. Each binding band or rod C consists, preferably, of two band or red members engaging a pair of blocks D secured by p is to provide a nevrand improved mold and means for nails E or other fastening devices to the out side of a pan of oppositely located mold planks, successive pairs of blocks D being attached to successive mold planks, as pla nly c and btate of d'aslnngton, haveinvented a indicated in Figs. 1 and 5. i Each block D is preferably provided with grooves D inclined in opposite directions, for receiving the ends of the bands or rods C, the said ends being preferably threaded to receive nuts C abuttil'ig against opposite ends of the corresponding block, to permit of tightening the bands or rods on. the blocks l) to firmly bind the mold planks and their Wedges in position. One of the mold planks (as shown, the mold plank A is shorter than the other, so that when the mold is set up for receivhn;- the concrete, as shown in l? 5', a bottom opening A for cleaning out purposes is provided.

The mold is set upin the following; manner, special reference being had to Figs. 1, 2, 6 and 7: Angular cradles F are placed on supporting horses G or like supports, andin the bottom of the said cradles is placed the base plank A, -and on the sides of the said cradle are placed the planks A", A" and the planks A A. The corresponding: Weds-cs Bare also laid in place at the joints of adjacent plan-ks and then braces or supports H.

each madein two parts fastened togetherby hinges I. are set on the inner surface of the planks A, A, A A A indicated in Figs. 1 and 2, to provide a support for the planks AP, A and A placed in position on the up per members of the said braces H. In a like manner the corresponding wedges 13 betvveen the adjacent planks A", A A A A A and A, A are placed in position. and then the several blocks I) for the binding rods C are secured in the order previously l'ncntionedof the mold planks. al'lcr which the binding bands or rods" C are connected with the said blocks, to securely l'asLcn the mold plan (5 and their wedges in position one on the other. \Vhen this has been done the braces H are removed from the inside of the mold at the ends thereof and, then the mold may be lifted oil the cradle F and set up in place, as shown in Fig. .3, to receive the concrete material employed. for forming thc concrete column. After the column coniplcted and the concrete material has set, the mold may be removed by removing the bands C, to permit of taking the mold planks from the sides of the column. Thus the parts constituting the mold may be re-used IOU for forming a mold for another column, in the manner above described.

As indicated in Fig. 1 the braces Hare pro- A vided with reduced-shoulders H fitting the mold at the ends thereof, so asto provide an exceedingly strong support for the mold planks While fastening the same together by the use of the tying or binding bands or rods C and their blocks D. Sundry of the sides of the braces H are beveled, to allow of readilyprying the braces out of the ends of the mold after the same is finished.

Having thus described my invention, I claim as-new and desire to secure by Letters Patent:'

1. In combination, a plurality of cradles each having a base and angular side's, shell planks one placed on the said base and others on the said angular sides, internal braces of polygonal form and set on the shell planks in position at the time on the said cradles, the said braces forming a support for the remaining shell-planks, and binding means around the said shell planks for securing the'same in place.

2. A means for. building up a mold employed for making concrete columns, comrising cradles each having a base and anguar sides for supporting the mold planks constituting a portion of the mold, and internal braces set up on the said mold Iplanks for securing and supporting the mo (1 lanks constituting the remaining ortion o the mold.

ployed for making concrete columns comrising cradles each having a base and angu-' in case a brace is stuck in the mold- -polygonal shalpe, one of said 3. A-meansfor buil ng up a mold emsition.

tions hinged together, sundryof the sections having beveled edges.

5. A'mold for making concrete columns comprising a shell made of planks set up in planks being shorter than t e others to provlde'a bottom opening when the mold is set up, longitudinally extending. Wedges fitting 1n the joints between adjacent planks, spaced binding bands passing around the shelland each con-;

sisting of two members having threaded ends, a pair of blocks for each band secured to the outside of a pair of oppositely located planks, successive pairs of b ocks being secured to successive planks, each block being provided. withgrooves in its outer face inclined in opposite directions for receiving the corresponding endsof the members of the bands, and nuts on the-threaded ends of the members of the bands and engaging opposite ends. of the corresponding block to permit of tightening thebandson the blocksto'firmly hold the shell planks-and their wedges in po- In testimony whereof I have signed my name to this specification in the presence of two subscribingwitnesses,

ERNEST ARTHUR CONNER. Witnesses:

RUssELL P. PRIEST, HARRY .W, LOCKWOOD. 

